integration-test: use bool for lpm_trie ran flag

Mirror the stack_trace test's `TestResult::ran: bool`; the field
only distinguishes a recorded result from a zero-initialised slot.

test/integration-common/src/lib.rs

@@ -152,7 +152,8 @@ pub mod lpm_trie {
     #[derive(Clone, Copy, Default)]
     pub struct TestResult {
         pub value: u32,
-        pub ran: u32,
+        /// Distinguishes a recorded result from a zero-initialised slot.
+        pub ran: bool,
     }
 
     #[cfg(feature = "user")]

test/integration-ebpf/src/lpm_trie.rs

@@ -39,7 +39,7 @@ macro_rules! define_lpm_trie_test {
                         if let Some(val) = $routes_map.get(key) {
                             (*ptr).value = *val;
                         }
-                        (*ptr).ran = 1;
+                        (*ptr).ran = true;
                     }
                 }
             };

test/integration-test/src/tests/lpm_trie.rs

@@ -44,21 +44,21 @@ fn lpm_trie_basic(prog_name: &str, routes_map: &str, results_map: &str) {
     let results = Array::<_, TestResult>::try_from(bpf.map(results_map).unwrap()).unwrap();
 
     let TestResult { ran, value } = results.get(&LPM_MATCH_SLOT, 0).unwrap();
-    assert_eq!(ran, 1, "LPM-match probe did not run");
+    assert!(ran, "LPM-match probe did not run");
     assert_eq!(
         value, 7,
         "longest-prefix-match should return the /24 value, not the /16"
     );
 
     let TestResult { ran, value } = results.get(&NO_MATCH_SLOT, 0).unwrap();
-    assert_eq!(ran, 1, "no-match probe did not run");
+    assert!(ran, "no-match probe did not run");
     assert_eq!(
         value, 0,
         "get() should return None for a key outside the trie"
     );
 
     let TestResult { ran, value } = results.get(&REMOVE_SLOT, 0).unwrap();
-    assert_eq!(ran, 1, "after-remove probe did not run");
+    assert!(ran, "after-remove probe did not run");
     assert_eq!(
         value, 42,
         "after removing the /24, longest-prefix-match should fall back to the /16"